ISL6257HRZ Intersil, ISL6257HRZ Datasheet - Page 5

• Manufacturer Part Number: ISL6257HRZ
• Description: IC BATTERY CHARGER CTRLR 28-QFN
• Manufacturer: Intersil

Specifications of ISL6257HRZ

• Function: Charge Management
• Battery Type: Lithium-Ion (Li-Ion), Lithium-Polymer (Li-Pol)
• Voltage - Supply: 7 V ~ 25 V
• Operating Temperature: -10°C ~ 100°C
• Mounting Type: Surface Mount
• Package / Case: 28-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Electrical Specifications
NOTE:
Typical Operating Performance
DCPRN Sink Current
DCPRN Leakage Current
CSON to GND resistance
Thermal Shutdown Temperature
Thermal Shutdown Temperature Hysteresis
4. This is the sum of currents in these pins (CSIP, CSIN, BGATE, BOOT, UGATE, PHASE, CSOP, CSON) all tied to 16.8V. No current in pins EN,
ACSET, DCSET, VADJ, CELLS, ACLIM, CHLIM.
FIGURE 3. ACCURACY vs AC ADAPTER CURRENT
-0.3
-0.6
0.6
0.3
0.0
10
9
8
7
6
5
4
3
2
1
0
0
0
FIGURE 1. VDD LOAD REGULATION
PARAMETER
10
20
5
30
LOAD CURRENT (mA)
40
CSIP-CSIN (mV)
10
5
50
DCIN = CSIP = CSIN = 18V, CSOP = CSON = 12V, ACSET = DCSET = 1.5V, ACLIM = VREF,
VADJ = Floating, EN = VDD = 5V, BOOT - PHASE = 5.0V, GND = PGND = 0V, C
T
A
= -10°C to +100°C, T
60
15
70
DCPRN = 0.4V
DCPRN = 5V
CSON = 12.6V
80
20
DCIN = 20V, 4S2P Li-Battery, T
90
100
J
TEST CONDITIONS
≤ +125°C, unless otherwise noted. (Continued)
40
ISL6257
FIGURE 4. SYSTEM EFFICIENCY vs CHARGE CURRENT
100
0.02
0.10
0.08
0.06
0.04
0.00
96
92
88
84
80
76
A
0
= +25°C, unless otherwise noted.
0
FIGURE 2. VREF LOAD REGULATION
0.5
MIN
-0.5
315
VCSON = 16.8V
1.0
100
3
4 CELLS
LOAD CURRENT (μA)
LOAD CURRENT (A)
1.5
VCSON = 12.6V
3 CELLS
TYP
380
150
2.0
25
8
200
VDD
2.5
= 1µF, I
VCSON = 8.4V
2 CELLS
MAX
485
0.5
11
3.0
300
VDD
January 17, 2007
= 0mA,
3.5
UNITS
FN9288.2
mA
kΩ
µA
°C
°C
4.0
400